NCLEX-RN
NCLEX RN Predictor Exam
1. In the Gram Stain procedure, which component acts as the mordant?
- A. Crystal violet
- B. Methyl alcohol
- C. Iodine
- D. Safranin
Correct answer: C
Rationale: In the Gram Stain procedure, the mordant is Gram's Iodine. The purpose of the mordant is to form a complex with the crystal violet, enhancing its ability to bind to the cell wall. Crystal violet is actually the primary stain used in the Gram Stain procedure to initially color all cells. Methyl alcohol is the decolorizer that removes the crystal violet from certain cell types. Safranin is the counterstain used to stain those cells that did not retain the crystal violet stain after the decolorization step.
2. You are ready to wash your patient's face. You would start by washing what area of the face?
- A. The forehead
- B. The eyes
- C. The ears
- D. The cheeks
Correct answer: B
Rationale: When washing a patient's face, it is essential to start by cleaning the eyes. The eye area is considered the priority because moving from an area that can potentially be infected to areas of the face and body that are least able to become infected with a washcloth helps prevent the spread of germs. Washing the forehead, ears, or cheeks before the eyes may risk transferring bacteria to a more sensitive area like the eyes, which could lead to infections or other complications. Therefore, starting with the eyes ensures proper hygiene and reduces the risk of introducing harmful microorganisms to the patient's face.
3. According to the American Heart Association standards, high-quality CPR for an adult includes all of the following EXCEPT:
- A. Push hard
- B. Push fast
- C. Allow chest recoil between compressions
- D. Pause CPR as each drug is administered
Correct answer: D
Rationale: High-quality CPR for adults should not be paused for drug administration. The correct CPR technique involves pushing hard and fast, at a rate of at least 100 compressions per minute and to a depth of at least 2 inches. It is also essential to allow chest recoil between compressions to enable proper blood circulation. Pausing CPR for drug administration would delay the delivery of continuous chest compressions, which are crucial for maintaining blood flow and oxygenation during cardiac arrest.
4. During the examination, it is often appropriate to offer some brief teaching about the patient's body or the examiner's findings. Which one of these statements by the nurse is most appropriate?
- A. "Your atrial dysrhythmias are under control."?
- B. "You have pitting edema and mild varicosities."?
- C. "Your pulse is 80 beats per minute, which is within the normal range."?
- D. "I'm using my stethoscope to listen for any crackles, wheezes, or rubs in your lungs."?
Correct answer: C
Rationale: During an examination, providing brief educational information to the patient can enhance rapport, as long as the patient can comprehend the terminology. The most appropriate statement from the nurse is "Your pulse is 80 beats per minute, which is within the normal range." This statement conveys a vital sign in a way that is likely understandable to the patient. Choices A, B, and D use terminology that may be unfamiliar or confusing to the patient. Option A mentions 'atrial dysrhythmias,' which might not be clear to the patient. Option B involves terms like 'pitting edema' and 'varicosities,' which could be unfamiliar to the patient. Option D references 'crackles,' 'wheezes,' and 'rubs,' which might not be easily understood by the patient.
5. A patient is bleeding profusely from an injury near her wrist. Which of the following first aid procedures would be MOST appropriate?
- A. Place a tourniquet on her arm above the injury.
- B. Place pressure on her brachial artery.
- C. Place pressure on her radial nerve.
- D. Cover the bleeding area with wet towels.
Correct answer: B
Rationale: The most appropriate first aid procedure for a patient bleeding profusely from an injury near the wrist is to place pressure on her brachial artery. Applying pressure to the brachial pulse point will help slow down the bleeding. Placing a tourniquet on her arm above the injury is not recommended as it could potentially inhibit blood flow, leading to tissue necrosis. Pressing on the radial nerve or covering the bleeding area with wet towels are not effective in controlling bleeding and may not address the underlying cause.
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